package network.server_client;

import java.net.*;

public class UDPServer {

	public static void main(String[] args) throws Exception {
		DatagramSocket serverSocket = new DatagramSocket(9876);
		byte[] receiveData = new byte[1024];
		byte[] sendData = new byte[1024];
		while(true){
			DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
			serverSocket.receive(receivePacket);
			String sentence = new String(receivePacket.getData());
			InetAddress IPAddress = receivePacket.getAddress();
			int port = receivePacket.getPort();
			String capitalizedSentence = sentence.toUpperCase();
			sendData = capitalizedSentence.getBytes();
			DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, port);
			serverSocket.send(sendPacket);
		}
	}

}
